Responsibilities: * Project Execution and Technical Leadership: * Execute assigned legacy sustainment and obsolescence mitigation tasks/projects in alignment with approved plans * Own technical deliverables for assigned components or design families, including analysis, documentation, and reviews * Support project schedules by completing tasks on time and escalating risks or blockers early * Maintain accurate engineering records and documentation * Component Sustainment and Obsolescence Support: * Identify and assess risks related to component end of life, supplier discontinuations, and long lead time parts * Support mitigation activities such as component Last time buys, alternate part identification, and redesign efforts * Maintain and update component sustainment plans and lifecycle status using CAT proprietary tools. Working under the direction of a Project Lead or Engineering Manager, the Project Engineer executes technical projects/tasks related to product sustainment, component lifecycle management, engineering change execution, and validation support, collaborating closely with cross functional teams and suppliers.